Centene (NYSE: CNC) officer plans new stock sale after $3.1M August trade
Rhea-AI Filing Summary
CENTENE CORP (CNC) received a Rule 144 notice covering a proposed sale of up to 56,500 shares of its common stock for the account of officer Christopher A. Koster, through Fidelity Brokerage Services LLC. The stated aggregate market value of the shares covered is $3,779,852.00 as of August 26, 2026, with 493,995,000 shares of common stock outstanding.
The shares derive from multiple acquisitions between 2020 and 2025, including employee stock purchase plan (ESPP) purchases and restricted stock vesting awards. The filing also reports that Koster sold 47,603 shares of Centene common stock on August 18, 2026 for $3,111,262.14.
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Key Figures
Shares to be sold under Rule 144: 56,500 shares
Aggregate market value of shares to be sold: $3,779,852.00
Shares outstanding: 493,995,000 shares
+4 more
7 metrics
Shares to be sold under Rule 144
56,500 shares
Common stock covered by the notice through Fidelity Brokerage Services LLC
Aggregate market value of shares to be sold
$3,779,852.00
Value of 56,500 Centene common shares covered by the notice
Shares outstanding
493,995,000 shares
Centene common stock outstanding as stated in the filing
Shares sold in past 3 months
47,603 shares
Centene common shares sold by Christopher A. Koster on August 18, 2026
Proceeds from recent sale
$3,111,262.14
Total consideration for 47,603 shares sold on August 18, 2026
Restricted Stock Vesting on 04/27/2021
13,812 shares
Centene common stock acquired by compensation vesting
Restricted Stock Vesting on 12/15/2023
6,146 shares
Centene common stock acquired by compensation vesting
Key Terms
Rule 144, Employee Stock Purchase Plan, Restricted Stock Vesting, attorney-in-fact, +1 more
5 terms
Rule 144 regulatory
"See the definition of "person" in paragraph (a) of Rule 144."
Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.
Employee Stock Purchase Plan financial
"ESPP Purchase | Issuer | | | 41 | 06/30/2020 | Cash"
An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.
Restricted Stock Vesting financial
"Restricted Stock Vesting | Issuer | | | 13812 | 04/27/2021"
Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.
attorney-in-fact regulatory
"as attorney-in-fact for Christopher A. Koster"
An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.
aggregate market value financial
"Common | Fidelity Brokerage Services LLC ... | 56500 | 3779852.00"
Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.
FAQ
What does Centene Corp (CNC) disclose in this Form 144 filing?
The filing reports a planned resale under Rule 144 of up to 56,500 CNC common shares for officer Christopher A. Koster, with an aggregate market value of $3,779,852.00, through Fidelity Brokerage Services LLC.
What Centene (CNC) stock transactions has Christopher A. Koster made in the past three months?
The filing reports that on August 18, 2026, Christopher A. Koster sold 47,603 shares of Centene common stock for total consideration of $3,111,262.14.
AI-generated analysis. How Rhea-AI works. Not financial advice.
